It is important for us to keep healthy. But how to keep healthy is a problem. First of all, we must have enough food every day. We must also have the right kind of food. We should eat fresh fruits and vegetables, but eat less meat. We shouldn't eat bad food or drink yogurt. Because they are harmful to our health. We should keep the air fresh and keep our bodies clean. Second, we should do more exercises. We can play basketball, football and volleyball, or swim and skate. Swimming is good for our lungs. Walking is good for our legs, heart and lungs. So we must do more exercises. Now, do you know how to keep healthy? Let's keep healthy! Although this is a copy, I have revised the original. There should be no mistakes now ... if I guess correctly, you are in grade one. )